Finding the Fourth Proportional to 1,497,886.70, 2,246,830.05 and 1,311,262.70
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Solution
The fourth proportional to 1,497,886.70, 2,246,830.05 and 1,311,262.70 is: 1,966,894.05
Step by Step Solution
- Step 1: Write the proportion equation
1,497,886.70 : 2,246,830.05 = 1,311,262.70 : x - Step 2: Convert to fraction form
1,497,886.70/2,246,830.05 = 1,311,262.70/x - Step 3: Cross multiply
1,497,886.70x = 2,246,830.05 × 1,311,262.70 - Step 4: Simplify right side
1,497,886.70x = 2,946,184,437,804.14 - Step 5: Solve for x
x = 2,946,184,437,804.14/1,497,886.70 - Step 6: Final answer
x = 1,966,894.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.